CALIFORNIA UTILITIES' REGULATORY MATTERS - SCHEDULE OF REGULATORY AMOUNTS 2 (Details) - Southern California Gas Company [Member] - USD ($) $ in Thousands	Jun. 30, 2015	Mar. 31, 2015
Year 2014 [Member]
Utility Incentive Awards [Line Items]
Recognized Gas Cost Incentive Mechanism Award		$ 13,700
Year 2015 [Member]
Utility Incentive Awards [Line Items]
Requested Gas Cost Incentive Mechanism Award	$ 7,250